====== centos 7 GSM modem ======


==== nainstalit wvdial ====

  [root@utin ~]# cat /etc/wvdial.conf
  [Dialer Defaults]
  Phone = *99#
  Username = internet
  Password = internet
  Stupid Mode = 1
  Dial Command = ATDT
  Modem = /dev/ttyUSB0
  Baud = 460800
  Init2 = ATZ
  Init3 = AT+CGDCONT=1,"IP","internet";
  ISDN = 0
  Modem Type = Analog Modem
  
Funguje jak se SIM od vodafonu tak i od kaktusu/t-mobile

====== centos 8 ======
asi NetworkManager + ModemManager